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Re: [xml-dev] What Does SOAP/WS Do that A REST System Can't?
On Wed, 30 Mar 2005 12:50:14 -0500, Michael Champion
<michaelc.champion@...> wrote:
> I *think* the whole SOAP vs REST permathread comes down to
> Resource-orientation vs Service-orientation ... complicated by the
> fact that services are also resources, and services can be invoked by
> HTTP+XML just fine. Joe's
> http://www.xml.com/pub/a/2005/03/02/restful.html is the clearest I've
> ever seen on what "resource orientation" means :
Thanks!
> In *both* REST and SOA there is a very large hairy wookie of an
> unanswered question screeching for attention: What are the semantics
> of the resources / services? In practice this is handled explicitly
> or implicitly by human understanding in both styles. In theory both
> could be handled by some sort of formal semantic mapping a la the
> Semantic Web.
Most SOAP+WSDL implementations try to cover this territory by
automatically creating an API for the service based on the WSDL.
Several people have taken a crack at a WSDL for REST, including
Norm Walsh:
http://norman.walsh.name/2005/03/12/nsdl
But having an API is not the same as 'understanding semantics'.
-joe
--
Joe Gregorio http://bitworking.org
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